From 6e73c90e1845f0e57864614593aefadaf2372449 Mon Sep 17 00:00:00 2001
From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Date: Fri, 30 Sep 2005 11:59:00 -0700
Subject: [PATCH] --- yaml --- r: 9509 b: refs/heads/master c:
 8923648c125421b0fcb240cde607e2748d099ab8 h: refs/heads/master i:   9507:
 ec0c8dc282130444802aed52bba535bf883fad57 v: v3

---
 [refs]                         | 2 +-
 trunk/arch/um/include/os.h     | 4 ++++
 trunk/arch/um/kernel/um_arch.c | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index b57444fa42f3..291289b6e07f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: be662a18b7763496a052d489206af9ca2c2e1ac2
+refs/heads/master: 8923648c125421b0fcb240cde607e2748d099ab8
diff --git a/trunk/arch/um/include/os.h b/trunk/arch/um/include/os.h
index 583329d0a539..6f766e1faecc 100644
--- a/trunk/arch/um/include/os.h
+++ b/trunk/arch/um/include/os.h
@@ -157,6 +157,10 @@ extern int os_lock_file(int fd, int excl);
 extern void os_early_checks(void);
 extern int can_do_skas(void);
 
+/* Make sure they are clear when running in TT mode. Required by
+ * SEGV_MAYBE_FIXABLE */
+#define clear_can_do_skas() do { ptrace_faultinfo = proc_mm = 0; } while (0)
+
 /* mem.c */
 extern int create_mem_file(unsigned long len);
 
diff --git a/trunk/arch/um/kernel/um_arch.c b/trunk/arch/um/kernel/um_arch.c
index f0a275947d34..93dc782dc1cc 100644
--- a/trunk/arch/um/kernel/um_arch.c
+++ b/trunk/arch/um/kernel/um_arch.c
@@ -334,6 +334,8 @@ int linux_main(int argc, char **argv)
 		add_arg(DEFAULT_COMMAND_LINE);
 
 	os_early_checks();
+	if (force_tt)
+		clear_can_do_skas();
 	mode_tt = force_tt ? 1 : !can_do_skas();
 #ifndef CONFIG_MODE_TT
 	if (mode_tt) {